//----------------------------------------------------------------------- // Copyright (C) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------- // AtlasUIDragDrop.js // Atlas Drag and Drop UI Framework. Sys.UI._DragDropManager =function(){var _instance;this.dragStart =new Type.Event(null,false);this.dragStop =new Type.Event(null,false);this._getInstance =function(){if (_instance ==null){if (Sys.Runtime.get_hostType()==Sys.HostType.InternetExplorer){_instance =new Sys.UI.IEDragDropManager();} else {_instance =new Sys.UI.GenericDragDropManager();} _instance.initialize();_instance.dragStart.add(Function.createDelegate(this,this._raiseDragStart));_instance.dragStop.add(Function.createDelegate(this,this._raiseDragStop));} return _instance;} this.startDragDrop =function(dragSource,dragVisual,context){this._getInstance().startDragDrop(dragSource,dragVisual,context);} this.registerDropTarget =function(target){this._getInstance().registerDropTarget(target);} this.unregisterDropTarget =function(target){this._getInstance().unregisterDropTarget(target);} this._raiseDragStart =function(sender,eventArgs){this.dragStart.invoke(this,eventArgs);} this._raiseDragStop =function(sender,eventArgs){this.dragStop.invoke(this,eventArgs);} } Sys.UI._DragDropManager.registerClass('Sys.UI._DragDropManager');Sys.UI.DragDropManager =new Sys.UI._DragDropManager();Sys.UI.DragDropEventArgs =function(dragMode,dataType,data){var _dragMode =dragMode;var _dataType =dataType;var _data =data;this.get_dragMode =function(){return _dragMode;} this.get_dataType =function(){return _dataType;} this.get_data =function(){return _data;} } Sys.UI.DragDropEventArgs.registerClass('Sys.UI.DragDropEventArgs');Sys.UI.IDragSource =function(){this.get_dataType =Function.abstractMethod;this.get_data =Function.abstractMethod;this.get_dragMode =Function.abstractMethod;this.onDragStart =Function.abstractMethod;this.onDrag =Function.abstractMethod;this.onDragEnd =Function.abstractMethod;} Sys.UI.IDragSource.registerInterface('Sys.UI.IDragSource');Sys.UI.IDropTarget =function(){this.get_dropTargetElement =Function.abstractMethod;this.canDrop =Function.abstractMethod;this.drop =Function.abstractMethod;this.onDragEnterTarget =Function.abstractMethod;this.onDragLeaveTarget =Function.abstractMethod;this.onDragInTarget =Function.abstractMethod;} Sys.UI.IDropTarget.registerInterface('Sys.UI.IDropTarget');Type.createEnum('Sys.UI.DragMode','Copy',0,'Move',1);Sys.UI.IEDragDropManager =function(){Sys.UI.IEDragDropManager.initializeBase(this);var _dropTargets;var _radius =10;var _activeDragVisual;var _activeContext;var _activeDragSource;var _underlyingTarget;var _oldOffset;var _potentialTarget;var _isDragging =false;var _mouseUpHandler;var _documentMouseMoveHandler;var _documentDragOverHandler;var _dragStartHandler;var _mouseMoveHandler;var _dragEnterHandler;var _dragLeaveHandler;var _dragOverHandler;var _dropHandler;this.dragStart =this.createEvent();this.dragStop =this.createEvent();this.initialize =function(){Sys.UI.IEDragDropManager.callBaseMethod(this,'initialize');_mouseUpHandler =Function.createDelegate(this,mouseUpHandler);_documentMouseMoveHandler =Function.createDelegate(this,documentMouseMoveHandler);_documentDragOverHandler =Function.createDelegate(this,documentDragOverHandler);_dragStartHandler =Function.createDelegate(this,dragStartHandler);_mouseMoveHandler =Function.createDelegate(this,mouseMoveHandler);_dragEnterHandler =Function.createDelegate(this,dragEnterHandler);_dragLeaveHandler =Function.createDelegate(this,dragLeaveHandler);_dragOverHandler =Function.createDelegate(this,dragOverHandler);_dropHandler =Function.createDelegate(this,dropHandler);} Sys.UI.IEDragDropManager.registerBaseMethod(this,'initialize');this.dispose =function(){for (var i =0;i <_dropTargets;i++){this.unregisterDropTarget(_dropTargets[i]);} Sys.UI.IEDragDropManager.callBaseMethod(this,'dispose');} Sys.UI.IEDragDropManager.registerBaseMethod(this,'dispose');this.startDragDrop =function(dragSource,dragVisual,context){var ev =window.event;if (_isDragging){return;} _underlyingTarget =null;_activeDragSource =dragSource;_activeDragVisual =dragVisual;_activeContext =context;var mousePosition ={x:ev.clientX,y:ev.clientY };dragVisual.originalPosition =dragVisual.style.position;dragVisual.style.position ="absolute";document._lastPosition =mousePosition;dragVisual.startingPoint =mousePosition;var scrollOffset =this.getScrollOffset(dragVisual,true);dragVisual.startingPoint =this.addPoints(dragVisual.startingPoint,scrollOffset);if (dragVisual.style.position =="absolute"){dragVisual.startingPoint =this.subtractPoints(dragVisual.startingPoint,Sys.UI.Control.getLocation(dragVisual));} else {var left =parseInt(dragVisual.style.left);var top =parseInt(dragVisual.style.top);if (isNaN(left))left ="0";if (isNaN(top))top ="0";dragVisual.startingPoint =this.subtractPoints(dragVisual.startingPoint,{x:left,y:top });} this._prepareForDomChanges();dragSource.onDragStart();var eventArgs =new Sys.UI.DragDropEventArgs(dragSource.get_dragMode(),dragSource.get_dataType(),dragSource.get_data());this.dragStart.invoke(this,eventArgs);this._recoverFromDomChanges();this._wireEvents();this._drag(true);} Sys.UI.IEDragDropManager.registerBaseMethod(this,'startDragDrop');this._stopDragDrop =function(cancelled){var ev =window.event;if (_activeDragSource !=null){this._unwireEvents();if (!cancelled){cancelled =(_underlyingTarget ==null);} if (!cancelled &&_underlyingTarget !=null){_underlyingTarget.drop(_activeDragSource.get_dragMode(),_activeDragSource.get_dataType(),_activeDragSource.get_data(_activeContext));} _activeDragSource.onDragEnd(cancelled);this.dragStop.invoke(this,Sys.EventArgs.Empty);_activeDragVisual.style.position =_activeDragVisual.originalPosition;_activeDragSource =null;_activeContext =null;_activeDragVisual =null;_isDragging =false;_potentialTarget =null;ev.returnValue =false;} } Sys.UI.IEDragDropManager.registerBaseMethod(this,'_stopDragDrop');this._drag =function(isInitialDrag){var ev =window.event;var mousePosition ={x:ev.clientX,y:ev.clientY };document._lastPosition =mousePosition;var scrollOffset =this.getScrollOffset(_activeDragVisual,true);var position =this.addPoints(this.subtractPoints(mousePosition,_activeDragVisual.startingPoint),scrollOffset);if (!isInitialDrag &&parseInt(_activeDragVisual.style.left)==position.x &&parseInt(_activeDragVisual.style.top)==position.y){return;} Sys.UI.Control.setLocation(_activeDragVisual,position);this._prepareForDomChanges();_activeDragSource.onDrag();this._recoverFromDomChanges();_potentialTarget =this._findPotentialTarget(_activeDragSource,_activeDragVisual);var movedToOtherTarget =(_potentialTarget !=_underlyingTarget ||_potentialTarget ==null);if (movedToOtherTarget &&_underlyingTarget !=null){this._leaveTarget(_activeDragSource,_underlyingTarget);} if (_potentialTarget !=null){if (movedToOtherTarget){_underlyingTarget =_potentialTarget;this._enterTarget(_activeDragSource,_underlyingTarget);} else {this._moveInTarget(_activeDragSource,_underlyingTarget);} } else {_underlyingTarget =null;} } Sys.UI.IEDragDropManager.registerBaseMethod(this,'_drag');this._wireEvents =function(){document.attachEvent("onmouseup",_mouseUpHandler);document.attachEvent("onmousemove",_documentMouseMoveHandler);document.body.attachEvent("ondragover",_documentDragOverHandler);_activeDragVisual.attachEvent("ondragstart",_dragStartHandler);_activeDragVisual.attachEvent("ondragend",_mouseUpHandler);_activeDragVisual.attachEvent("ondrag",_mouseMoveHandler);} Sys.UI.IEDragDropManager.registerBaseMethod(this,'_wireEvents');this._unwireEvents =function(){_activeDragVisual.detachEvent("ondrag",_mouseMoveHandler);_activeDragVisual.detachEvent("ondragend",_mouseUpHandler);_activeDragVisual.detachEvent("ondragstart",_dragStartHandler);document.body.detachEvent("ondragover",documentDragOverHandler);document.detachEvent("onmousemove",_documentMouseMoveHandler);document.detachEvent("onmouseup",_mouseUpHandler);} Sys.UI.IEDragDropManager.registerBaseMethod(this,'_unwireEvents');this.registerDropTarget =function(dropTarget){if (_dropTargets ==null){_dropTargets =[];} _dropTargets.add(dropTarget);this._wireDropTargetEvents(dropTarget);} Sys.UI.IEDragDropManager.registerBaseMethod(this,'registerDropTarget');this.unregisterDropTarget =function(dropTarget){this._unwireDropTargetEvents(dropTarget);_dropTargets.remove(dropTarget);} Sys.UI.IEDragDropManager.registerBaseMethod(this,'unregisterDropTarget');this._wireDropTargetEvents =function(dropTarget){var associatedElement =dropTarget.get_dropTargetElement();associatedElement._dropTarget =dropTarget;associatedElement.attachEvent("ondragenter",_dragEnterHandler);associatedElement.attachEvent("ondragleave",_dragLeaveHandler);associatedElement.attachEvent("ondragover",_dragOverHandler);associatedElement.attachEvent("ondrop",_dropHandler);} Sys.UI.IEDragDropManager.registerBaseMethod(this,'_wireDropTargetEvents');this._unwireDropTargetEvents =function(dropTarget){var associatedElement =dropTarget.get_dropTargetElement();associatedElement._dropTarget =null;associatedElement.detachEvent("ondragenter",_dragEnterHandler);associatedElement.detachEvent("ondragleave",_dragLeaveHandler);associatedElement.detachEvent("ondragover",_dragOverHandler);associatedElement.detachEvent("ondrop",_dropHandler);} Sys.UI.IEDragDropManager.registerBaseMethod(this,'_unwireDropTargetEvents');function dragStartHandler(){var ev =window.event;document.selection.empty();var dt =ev.dataTransfer;var dataType =_activeDragSource.get_dataType().toLowerCase();var data =_activeDragSource.get_data(_activeContext);if (data !=null){if (dataType !="text"&&dataType !="url"){dataType ="text";if (data.innerHTML !=null){data =data.innerHTML;} } dt.effectAllowed ="move";dt.setData(dataType,data.toString());} } function mouseUpHandler(){this._stopDragDrop(false);} function documentMouseMoveHandler(){this._dragDrop();} function documentDragOverHandler(){var ev =window.event;ev.returnValue =(_potentialTarget ==null);} function mouseMoveHandler(){this._drag();} function dragEnterHandler(){var ev =window.event;if (_isDragging){ev.returnValue =false;} else {var dataObjects =Sys.UI.IEDragDropManager._getDataObjectsForDropTarget(this._getDropTarget(ev.srcElement));for (var i =0;i 0){_scrollDeltaX =_scrollDeltaY =0;if (ev.clientX browserRect.width -_scrollEdgeConst)_scrollDeltaX =_scrollByConst;if (ev.clientY browserRect.height -_scrollEdgeConst)_scrollDeltaY =_scrollByConst;if (_scrollDeltaX !=0 ||_scrollDeltaY !=0){_scroller.set_enabled(true);} else {_scroller.set_enabled(false);} } } function scrollerTickHandler(){var oldLeft =document.body.scrollLeft;var oldTop =document.body.scrollTop;window.scrollBy(_scrollDeltaX,_scrollDeltaY);var newLeft =document.body.scrollLeft;var newTop =document.body.scrollTop;var dragVisual =_activeDragVisual;var position ={x:parseInt(dragVisual.style.left)+(newLeft -oldLeft),y:parseInt(dragVisual.style.top)+(newTop -oldTop)};Sys.UI.Control.setLocation(dragVisual,position);} } Sys.UI.GenericDragDropManager.registerSealedClass('Sys.UI.GenericDragDropManager',Sys.UI.IEDragDropManager);if (window.__safari){Sys.UI.GenericDragDropManager.__loadSafariCompatLayer =function(ddm){ddm._getScrollOffset =ddm.getScrollOffset;ddm.getScrollOffset =function(element,recursive){return {x:0,y:0 };} ddm._getBrowserRectangle =ddm.getBrowserRectangle;ddm.getBrowserRectangle =function(){var browserRect =ddm._getBrowserRectangle();var offset =ddm._getScrollOffset(document.body,true);return {x:browserRect.x +offset.x,y:browserRect.y +offset.y,width:browserRect.width +offset.x,height:browserRect.height +offset.y };} } } Type.createEnum('Sys.UI.RepeatDirection','Horizontal',0,'Vertical',1);Sys.UI.DragDropList =function(){Sys.UI.DragDropList.initializeBase(this);var _isDragging;var _acceptedDataTypes =[];var _dataType;var _dragMode;var _dragVisual;var _direction =Sys.UI.RepeatDirection.Vertical;var _emptyTemplate;var _emptyTemplateInstance;var _dropCueTemplate;var _dropCueTemplateInstance;var _floatContainerInstance;var _originalParent;var _originalNextSibling;var _originalZIndex;var _currentContext;var _data;this.get_data =function(){return _data;} this.set_data =function(value){_data =value;} this.initialize =function(){Sys.UI.DragDropList.callBaseMethod(this,'initialize');this.control.element.__dragDropList =this;Sys.UI.DragDropManager.registerDropTarget(this);} this.getDescriptor =function(){var td =Sys.UI.DragDropList.callBaseMethod(this,'getDescriptor');td.addProperty("acceptedDataTypes",Array);td.addProperty("data",Object);td.addProperty("dataType",String);td.addProperty("emptyTemplate",Sys.UI.ITemplate);td.addProperty("dropCueTemplate",Sys.UI.ITemplate);td.addProperty("dropTargetElement",Object,true);td.addProperty("direction",Sys.UI.RepeatDirection);td.addProperty("dragMode",Sys.UI.DragMode);return td;} Sys.UI.DragDropList.registerBaseMethod(this,'getDescriptor');this.startDragDrop =function(dragObject,context,dragVisual){if (!_isDragging){_isDragging =true;_currentContext =context;if (dragVisual ==null){dragVisual =this.createDragVisual(dragObject);} else {_dragVisual =dragVisual;} Sys.UI.DragDropManager.startDragDrop(this,dragVisual,context);} } this.createDragVisual =function(dragObject){if (_dragMode ==Sys.UI.DragMode.Copy){_dragVisual =dragObject.cloneNode(true);} else {_dragVisual =dragObject;} var oldOffset =Sys.UI.DragDropManager._getInstance().getScrollOffset(dragObject,true);_dragVisual.style.width =dragObject.offsetWidth +"px";_dragVisual.style.height =dragObject.offsetHeight +"px";_dragVisual.style.opacity ="0.4";_dragVisual.style.filter ="progid:DXImageTransform.Microsoft.BasicImage(opacity=0.4);";_originalZIndex =_dragVisual.style.zIndex;_dragVisual.style.zIndex =99999;_originalParent =_dragVisual.parentNode;_originalNextSibling =Sys.UI.DragDropManager._getInstance().getNextSibling(_dragVisual);var currentLocation =Sys.UI.Control.getLocation(dragObject,true);var dragVisualContainer =this._getFloatContainer();Sys.UI.Control.setLocation(dragVisualContainer,currentLocation);if (Sys.UI.DragDropManager._getInstance().hasParent(_dragVisual)){_dragVisual.parentNode.removeChild(_dragVisual);} dragVisualContainer.appendChild(_dragVisual);var newOffset =Sys.UI.DragDropManager._getInstance().getScrollOffset(dragObject,true);if (oldOffset.x !=newOffset.x ||oldOffset.y !=newOffset.y){var diff =Sys.UI.DragDropManager._getInstance().subtractPoints(oldOffset,newOffset);Sys.UI.Control.setLocation(dragVisualContainer,Sys.UI.DragDropManager._getInstance().subtractPoints(currentLocation,diff));} return dragVisualContainer;} this.get_emptyTemplate =function(){return _emptyTemplate;} this.set_emptyTemplate =function(value){_emptyTemplate =value;} this.get_dataType =function(){return _dataType;} this.set_dataType =function(value){_dataType =value;} this.get_data =function(context){return context;} this.get_dragMode =function(){return _dragMode;} this.set_dragMode =function(value){_dragMode =value;} this.dispose =function(){this.control.element.__dragDropList =null;Sys.UI.DragDropList.callBaseMethod(this,'dispose');} this.onDragStart =function(){this._validate();} this.onDrag =function(){} this.onDragEnd =function(cancelled){if (_floatContainerInstance !=null){if (_dragMode ==Sys.UI.DragMode.Copy){_floatContainerInstance.removeChild(_dragVisual);} else {_dragVisual.style.opacity ="0.999";_dragVisual.style.filter ="";_dragVisual.style.zIndex =_originalZIndex ?_originalZIndex :0;if (cancelled){_dragVisual.parentNode.removeChild(_dragVisual);if (_originalNextSibling !=null){_originalParent.insertBefore(_dragVisual,_originalNextSibling);} else {_originalParent.appendChild(_dragVisual);} } else {if (_dragVisual.parentNode ==_floatContainerInstance){_dragVisual.parentNode.removeChild(_dragVisual);} } } document.body.removeChild(_floatContainerInstance);} else {_dragVisual.parentNode.removeChild(_dragVisual);} if (!cancelled &&_data !=null &&_dragMode ==Sys.UI.DragMode.Move){var data =this.get_data(_currentContext);if (_data !=null &&data !=null){_data.remove(data);} } _isDragging =false;this._validate();} this.get_direction =function(){return _direction;} this.set_direction =function(value){_direction =value;} this.get_acceptedDataTypes =function(){return _acceptedDataTypes;} this.set_acceptedDataTypes =function(value){_acceptedDataTypes =value;} this.get_dropCueTemplate =function(){return _dropCueTemplate;} this.set_dropCueTemplate =function(value){_dropCueTemplate =value;} this.get_dropTargetElement =function(){return this.control.element;} this.canDrop =function(dragMode,dataType,data){for (var i =0;i <_acceptedDataTypes.length;i++){if (_acceptedDataTypes[i]==dataType){return true;} } return false;} this.drop =function(dragMode,dataType,data){if (dataType =="HTML"&&dragMode ==Sys.UI.DragMode.Move){dragVisual =data;var potentialNextSibling =this._findPotentialNextSibling(dragVisual);this._setDropCueVisible(false,dragVisual);dragVisual.parentNode.removeChild(dragVisual);if (potentialNextSibling !=null){this.control.element.insertBefore(dragVisual,potentialNextSibling);} else {this.control.element.appendChild(dragVisual);} } else {this._setDropCueVisible(false);} if (_data !=null &&data !=null){var newRow =data;if (Sys.Data.DataRow.isInstanceOfType(data)&&Sys.Data.DataTable.isInstanceOfType(_data)){var src =data.get_table();if (src){newRow =_data.createRow(data);} } _data.add(newRow);} } this.onDragEnterTarget =function(dragMode,dataType,data){if (dataType =="HTML"){this._setDropCueVisible(true,data);this._validate();} } this.onDragLeaveTarget =function(dragMode,dataType,data){if (dataType =="HTML"){this._setDropCueVisible(false);this._validate();} } this.onDragInTarget =function(dragMode,dataType,data){if (dataType =="HTML"){this._setDropCueVisible(true,data);} } this._setDropCueVisible =function(visible,dragVisual){if (_dropCueTemplate !=null){if (visible){if (_dropCueTemplateInstance ==null){var documentContext =document.createDocumentFragment();_dropCueTemplateInstance =_dropCueTemplate.createInstance(documentContext).instanceElement;} var potentialNextSibling =this._findPotentialNextSibling(dragVisual);if (!Sys.UI.DragDropManager._getInstance().hasParent(_dropCueTemplateInstance)){if (potentialNextSibling !=null){this.control.element.insertBefore(_dropCueTemplateInstance,potentialNextSibling);} else {this.control.element.appendChild(_dropCueTemplateInstance);} _dropCueTemplateInstance.style.width =dragVisual.offsetWidth +"px";_dropCueTemplateInstance.style.height =dragVisual.offsetHeight +"px";} else {if (Sys.UI.DragDropManager._getInstance().getNextSibling(_dropCueTemplateInstance)!=potentialNextSibling){this.control.element.removeChild(_dropCueTemplateInstance);if (potentialNextSibling !=null){this.control.element.insertBefore(_dropCueTemplateInstance,potentialNextSibling);} else {this.control.element.appendChild(_dropCueTemplateInstance);} } } } else {if (_dropCueTemplateInstance !=null &&Sys.UI.DragDropManager._getInstance().hasParent(_dropCueTemplateInstance)){this.control.element.removeChild(_dropCueTemplateInstance);} } } } this._findPotentialNextSibling =function(dragVisual){var dragVisualRect =Sys.UI.Control.getBounds(dragVisual);var isVertical =(_direction ==Sys.UI.RepeatDirection.Vertical);var nodeRect;for (var node =this.control.element.firstChild;node !=null;node =node.nextSibling){if (node.innerHTML !=null &&node !=_dropCueTemplateInstance &&node !=_emptyTemplateInstance){nodeRect =Sys.UI.Control.getBounds(node);if ((!isVertical &&dragVisualRect.x <=nodeRect.x)||(isVertical &&dragVisualRect.y <=nodeRect.y)){return node;} } } return null;} this._validate =function(){var visible =(_dropCueTemplateInstance ==null ||!Sys.UI.DragDropManager._getInstance().hasParent(_dropCueTemplateInstance));var count =0;for (var node =this.control.element.firstChild;node !=null;node =node.nextSibling){if (node.innerHTML !=null &&node !=_emptyTemplateInstance &&node !=_dropCueTemplateInstance){count++;} } if (count >0){visible =false;} this._setEmptyTemplateVisible(visible);} this._setEmptyTemplateVisible =function(visible){if (_emptyTemplate !=null){if (visible){if (_emptyTemplateInstance ==null){_emptyTemplateInstance =_emptyTemplate.createInstance(this.control.element).instanceElement;} else if (!Sys.UI.DragDropManager._getInstance().hasParent(_emptyTemplateInstance)){this.control.element.appendChild(_emptyTemplateInstance);} } else {if (_emptyTemplateInstance !=null &&Sys.UI.DragDropManager._getInstance().hasParent(_emptyTemplateInstance)){this.control.element.removeChild(_emptyTemplateInstance);} } } } this._getFloatContainer =function(){if (_floatContainerInstance ==null){_floatContainerInstance =document.createElement(this.control.element.tagName);var none ="0px 0px 0px 0px";_floatContainerInstance.style.position ="absolute";_floatContainerInstance.style.padding =none;_floatContainerInstance.style.margin =none;document.body.appendChild(_floatContainerInstance);} else if (!Sys.UI.DragDropManager._getInstance().hasParent(_floatContainerInstance)){document.body.appendChild(_floatContainerInstance);} return _floatContainerInstance;} } Sys.UI.DragDropList.registerSealedClass('Sys.UI.DragDropList',Sys.UI.Behavior,Sys.UI.IDragSource,Sys.UI.IDropTarget,Sys.IDisposable);Sys.TypeDescriptor.addType('script','dragDropList',Sys.UI.DragDropList);Sys.UI.DataSourceDropTarget =function(){Sys.UI.DataSourceDropTarget.initializeBase(this);var _acceptedDataTypes;var _append =true;var _target;var _property ="data";this.get_append =function(){return _append;} this.set_append =function(value){_append =value;} this.get_target =function(){return _target;} this.set_target =function(value){_target =value;} this.get_property =function(){return _property;} this.set_property =function(value){_property =value;} this.get_acceptedDataTypes =function(){return _acceptedDataTypes;} this.set_acceptedDataTypes =function(value){_acceptedDataTypes =value;} this.initialize =function(){Sys.UI.DataSourceDropTarget.callBaseMethod(this,'initialize');Sys.UI.DragDropManager.registerDropTarget(this);} this.getDescriptor =function(){var td =Sys.UI.DataSourceDropTarget.callBaseMethod(this,'getDescriptor');td.addProperty("acceptedDataTypes",Array);td.addProperty("append",Boolean);td.addProperty("dropTargetElement",Object,true);td.addProperty("target",Object);td.addProperty("property",String);return td;} this.get_dropTargetElement =function(){return this.control.element;} this.canDrop =function(dragMode,dataType,data){for (var i =0;i <_acceptedDataTypes.length;i++){if (_acceptedDataTypes[i]==dataType){return true;} } return false;} this.drop =function(dragMode,type,data){if (data){var p;var target =_target ?_target :this.control;if (_append){p =target["get_"+_property];if (p){var targetData =p();if (targetData){targetData.add(data);} else {p =target["set_"+_property];if (p){p.call(target,data);} } } } else {p =target["set_"+_property];if (p){p.call(target,data);} } } } this.onDragEnterTarget =function(dragMode,type,data){} this.onDragLeaveTarget =function(dragMode,type,data){} this.onDragInTarget =function(dragMode,type,data){} } Sys.UI.DataSourceDropTarget.registerSealedClass('Sys.UI.DataSourceDropTarget',Sys.UI.Behavior,Sys.UI.IDropTarget);Sys.TypeDescriptor.addType('script','dataSourceDropTarget',Sys.UI.DataSourceDropTarget);Sys.UI.DraggableListItem =function(){Sys.UI.DraggableListItem.initializeBase(this);var _data;var _handle;var _dragVisualTemplate;var _dragVisualTemplateInstance;this.get_data =function(){if (_data ==null){var dragSource =this._findDragSource();if (dragSource !=null &&dragSource.get_dataType()=="HTML"){return this.control.element;} } return _data;} this.set_data =function(value){_data =value;} this.get_handle =function(){return _handle;} this.set_handle =function(value){if (_handle !=null){_handle.detachEvent("onmousedown",this._handleMouseDown);_handle.__draggableBehavior =null;} if (value.element){value =value.element;} _handle =value;_handle.__draggableBehavior =this;_handle.attachEvent("onmousedown",this._handleMouseDown);_handle.__draggableBehavior =this;} this.get_dragVisualTemplate =function(){return _dragVisualTemplate;} this.set_dragVisualTemplate =function(value){_dragVisualTemplate =value;} this.getDescriptor =function(){var td =Sys.UI.DraggableListItem.callBaseMethod(this,'getDescriptor');td.addProperty("data",Object);td.addProperty("handle",Object,false,Sys.Attributes.Element,true);td.addProperty("dragVisualTemplate",Sys.UI.ITemplate);return td;} this._handleMouseDown =function(){_handle.__draggableBehavior._handleMouseDownInternal();} this._handleMouseDownInternal =function(){var ev =window.testEvent ?window.testEvent :window.event;if (ev.button <=1){var dragSource =this._findDragSource();if (dragSource !=null){var dragVisual =this._createDragVisual();dragSource.startDragDrop(this.control.element,this.get_data(),dragVisual);ev.returnValue =false;} } } this._createDragVisual =function(){var ev =window.testEvent ?window.testEvent :window.event;if (_dragVisualTemplate !=null){if (_dragVisualTemplateInstance ==null){_dragVisualTemplateInstance =_dragVisualTemplate.createInstance(this.control.element).instanceElement;} else if (!Sys.UI.DragDropManager._getInstance().hasParent(_dragVisualTemplateInstance)){this.control.element.appendChild(_dragVisualTemplateInstance);} var location ={x:ev.clientX,y:ev.clientY };location =Sys.UI.DragDropManager._getInstance().addPoints(location,Sys.UI.DragDropManager._getInstance().getScrollOffset(document.body,true));Sys.UI.Control.setLocation(_dragVisualTemplateInstance,location);} return _dragVisualTemplateInstance;} this._findDragSource =function(){var element =this.control.element;while (element !=null){if (element.__dragDropList !=null){return element.__dragDropList;} element =element.parentNode;} return null;} } Sys.UI.DraggableListItem.registerSealedClass('Sys.UI.DraggableListItem',Sys.UI.Behavior);Sys.TypeDescriptor.addType('script','draggableListItem',Sys.UI.DraggableListItem);Sys.UI.FloatingBehavior =function(){Sys.UI.FloatingBehavior.initializeBase(this);var _handle;var _location;var _dragStartLocation;var _mouseDownHandler =Function.createDelegate(this,mouseDownHandler);this.move =this.createEvent();this.get_handle =function(){return _handle;} this.set_handle =function(value){if (_handle !=null){_handle.detachEvent("onmousedown",_mouseDownHandler);} _handle =value;_handle.attachEvent("onmousedown",_mouseDownHandler);} this.get_location =function(){return _location;} this.set_location =function(value){if (_location !=value){_location =value;if (this.get_isInitialized()){var numbers =_location.split(',');var location ={x :parseInt(numbers[0]),y :parseInt(numbers[1])};Sys.UI.Control.setLocation(this.control.element,location);} this.raisePropertyChanged('location');} } this.initialize =function(){Sys.UI.FloatingBehavior.callBaseMethod(this,'initialize');Sys.UI.DragDropManager.registerDropTarget(this);var el =this.control.element;var location;if (_location){var numbers =_location.split(',');location ={x :parseInt(numbers[0]),y :parseInt(numbers[1])};} else {location =Sys.UI.Control.getLocation(el);} el.style.width =el.offsetWidth +"px";el.style.height =el.offsetHeight +"px";el.style.position ="absolute";Sys.UI.Control.setLocation(el,location);} this.dispose =function(){Sys.UI.DragDropManager.unregisterDropTarget(this);if (_handle !=null){_handle.detachEvent("onmousedown",_mouseDownHandler);} _mouseDownHandler =null;Sys.UI.FloatingBehavior.callBaseMethod(this,'dispose');} this.getDescriptor =function(){var td =Sys.UI.FloatingBehavior.callBaseMethod(this,'getDescriptor');td.addProperty("data",Object,true);td.addProperty("dataType",String,true);td.addProperty("dragMode",Sys.UI.DragMode,true);td.addProperty("dropTargetElement",Object,true);td.addProperty("handle",Object,false,Sys.Attributes.Element,true);td.addProperty('location',String);td.addEvent("move",true);return td;} this.checkCanDrag =function(element){var undraggableTagNames =["input","button","select","textarea","label"];var tagName =element.tagName;if ((tagName.toLowerCase()=="a")&&(element.href !=null)&&(element.href.length >0)){return false;} if (undraggableTagNames.indexOf(tagName.toLowerCase())>-1){return false;} return true;} function mouseDownHandler(){var el =this.control.element;if (this.checkCanDrag(window.event.srcElement)){_dragStartLocation =Sys.UI.Control.getLocation(el);window.event.returnValue =false;this.startDragDrop(el);} } this.get_dataType =function(){return "_floatingObject";} this.get_data =function(context){return null;} this.get_dragMode =function(){return Sys.UI.DragMode.Move;} this.onDragStart =Function.emptyMethod;this.onDrag =Function.emptyMethod;this.onDragEnd =function(canceled){if (!canceled){var cancelArgs =new Sys.CancelEventArgs();this.move.invoke(this,cancelArgs);canceled =cancelArgs.get_canceled();} var el =this.control.element;if (canceled){Sys.UI.Control.setLocation(el,_dragStartLocation);} else {var location =Sys.UI.Control.getLocation(el);_location =location.x +','+location.y;this.raisePropertyChanged('location');} } this.startDragDrop =function(dragVisual){Sys.UI.DragDropManager.startDragDrop(this,dragVisual,null);} this.get_dropTargetElement =function(){return document.body;} this.canDrop =function(dragMode,dataType,data){return (dataType =="_floatingObject");} this.drop =Function.emptyMethod;this.onDragEnterTarget =Function.emptyMethod;this.onDragLeaveTarget =Function.emptyMethod;this.onDragInTarget =Function.emptyMethod;} Sys.UI.FloatingBehavior.registerSealedClass('Sys.UI.FloatingBehavior',Sys.UI.Behavior,Sys.UI.IDragSource,Sys.UI.IDropTarget,Sys.IDisposable);Sys.TypeDescriptor.addType('script','floatingBehavior',Sys.UI.FloatingBehavior);